Detection limit improvement of surface plasmon resonance based biosensors using statistical hypothesis testing

Anne Barnett; Ewa M. Goldys; Konrad Dybek

doi:10.1117/12.590218

31 March 2005 Detection limit improvement of surface plasmon resonance based biosensors using statistical hypothesis testing

Anne Barnett, Ewa M. Goldys, Konrad Dybek

Author Affiliations +

Proceedings Volume 5703, Plasmonics in Biology and Medicine II; (2005) https://doi.org/10.1117/12.590218
Event: SPIE BiOS, 2005, San Jose, CA, United States

Abstract

We propose a new approach to improving the resolution of a Surface Plasmon Resonance (SPR) based biosensing system through the use of the statistical technique of hypothesis testing. Simulated SPR reflectance curves at the wavelength of 632.8 nm in the Kretschmann configuration were generated. Detector specifications were taken from Ames Photonics CMOS Larry-CCD 1024 array detector with a total integration time of 100s and a noise amplitude relative to signal σ = 3 × 10^-6. We were able to achieve the detection limit of the refractive index difference with respect to water of Δn = 4 × 10^-8 with 95 % significance level.

Citation Download Citation

Anne Barnett, Ewa M. Goldys, and Konrad Dybek "Detection limit improvement of surface plasmon resonance based biosensors using statistical hypothesis testing", Proc. SPIE 5703, Plasmonics in Biology and Medicine II, (31 March 2005); https://doi.org/10.1117/12.590218

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